CN219064522U - Z-axis counterweight-free measuring instrument - Google Patents
Z-axis counterweight-free measuring instrument Download PDFInfo
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- CN219064522U CN219064522U CN202223612178.0U CN202223612178U CN219064522U CN 219064522 U CN219064522 U CN 219064522U CN 202223612178 U CN202223612178 U CN 202223612178U CN 219064522 U CN219064522 U CN 219064522U
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Abstract
The utility model discloses a Z-axis counterweight-free measuring instrument, which relates to the technical field of image measuring instruments and comprises an organism, wherein a mounting rack is connected to the organism, a Z-axis moving assembly is arranged on the mounting rack, and the Z-axis moving assembly comprises a driving motor and a belt screw rod transmission mechanism which is connected to the output end of the driving motor in a power way; the belt screw rod transmission mechanism is connected with a sliding block in a sliding way, the sliding block is connected with a mounting seat, and a tool microscope is mounted on the mounting seat; the machine body is also provided with a platform for placing a tested workpiece, wherein the platform is positioned below the tool microscope; the mounting frame is also provided with a resistance mechanism which is in resistance fit with the belt screw rod transmission mechanism to prevent the mounting seat and the tool microscope from falling down; through increasing resistance mechanism, need not to reset weight ratio (speed reduction ratio), need not to change band pulley and belt for the altitude mixture control of measuring apparatu is more stable, has avoided the whereabouts of tool microscope.
Description
Technical Field
The utility model relates to the technical field of image measuring instruments, in particular to a Z-axis counterweight-free measuring instrument.
Background
In the current image measurement industry, a simple image measuring instrument is used for driving a Z-axis lifting device for lifting a lens module, a ball screw and a linear guide rail sliding device are mostly adopted, a hand wheel is arranged at the top end or the tail end of the ball screw, and the hand wheel is rotated to drive the Z-axis lifting device to lift or descend along the Z-axis. The greatest disadvantage of this construction is: the Z-axis lifting device can automatically fall down. In order to avoid the automatic falling of the Z-axis lifting device, a balancing weight is usually arranged on the Z-axis lifting device. That is, an object balance maintaining device with equal weight is arranged in the symmetrical direction of the Z-axis lifting device, so that the Z-axis lifting device is maintained at a certain height, the measurement is convenient, the structure is complex, and the manufacturing and assembly costs are increased.
In order to remove the setting of balancing weight, the prior art is, for example, the chinese utility model with application number CN202021880658.3, a Z-axis weighting-free device for an image measuring instrument, which uses a screw rod transmission to match with the output drive of a belt pulley to separate the main shaft of the driving end from the main shaft of the screw rod, so that the overall machine height becomes low, and on the other hand, the Z-axis lifting device is prevented from automatically falling down under the fastening force of the belt pulley assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
The Z-axis counterweight-free measuring instrument comprises an organism, wherein a mounting frame is connected to the organism, a Z-axis moving assembly is arranged on the mounting frame, and the Z-axis moving assembly comprises a driving motor and a belt screw rod transmission mechanism which is connected to the output end of the driving motor in a power mode;
the belt screw rod transmission mechanism is connected with a sliding block in a sliding way, the sliding block is connected with a mounting seat, and a tool microscope is mounted on the mounting seat;
the machine body is also provided with a platform for placing a tested workpiece, wherein the platform is positioned below the tool microscope;
and a resistance mechanism is further arranged on the mounting frame and is in resistance fit with the belt screw transmission mechanism, so that the mounting seat and the tool microscope are prevented from falling down.
As a further scheme of the utility model: the resistance mechanism comprises a power piece arranged on the mounting frame, a telescopic rod connected with the output end of the power piece in a power way and a friction stop piece arranged on the telescopic rod, wherein the power piece is used for driving the friction stop piece to move up and down so that the friction stop piece is in resistance fit with the belt screw transmission mechanism.
As a further scheme of the utility model: the power piece is a push rod motor.
As a further scheme of the utility model: the friction stop piece is a square friction plate.
As a further scheme of the utility model: the belt lead screw transmission mechanism comprises a lead screw which is vertically arranged, a driving wheel which is connected with the output end of the driving motor in a power way, a driven wheel which is connected with one end of the lead screw, and a belt which is used for connecting the driving wheel and the driven wheel, wherein two sides of the lead screw are respectively provided with a slide rail which is vertically arranged, the slide blocks are in sliding connection with the slide rails, and the slide blocks slide on the slide rails through the rotation of the lead screw.
As a further scheme of the utility model: the friction stop is in resistance fit with the driven wheel.
As a further scheme of the utility model: the driving wheel is smaller than the driven wheel.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, a driving motor is matched with a belt screw rod transmission mechanism, specifically, a driving wheel and a driven wheel on the belt screw rod transmission mechanism form a certain reduction ratio, a certain locking force is formed by combining the transmission matching of the screw rods, the Z-axis moving assembly can be effectively prevented from automatically falling down, and on the basis, a certain resistance is formed by combining the friction action of a resistance mechanism on the Z-axis moving assembly, so that the Z-axis moving assembly is further effectively prevented from automatically falling down;
when a light source is additionally arranged on the tool microscope, the weight of the tool microscope is increased, so that the reduction ratio between the original driving wheel and the original driven wheel and the stopping effect of the screw rod are weakened, and the tool microscope can drop down within a certain probability;
according to the balance-free measuring instrument, the resistance mechanism is added, when the tool microscope needs to be adjusted up and down, the friction stop piece is driven by the push rod motor to shrink upwards, so that the friction stop piece is separated from the driven wheel, when the tool microscope is adjusted to a preset target height, the friction stop piece is driven by the push rod motor to stretch downwards, and the friction stop piece is in friction fit with the driven wheel in a propping mode, so that a stopping effect is generated on the driven wheel, therefore, when a light source is needed to be additionally arranged, the balance weight ratio (reduction ratio) does not need to be reset, the belt wheel and the belt do not need to be replaced, the height adjustment of the measuring instrument is more stable, and the falling of the tool microscope is avoided.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure at A in the present utility model;
FIG. 3 is a schematic diagram of the configuration of the present utility model in which the resistance mechanism and the belt lead screw drive are engaged.
Reference numerals and names in the drawings are as follows:
1. a body; 2. a mounting frame; 3. a Z-axis movement assembly; 4. a driving motor; 5. a belt screw rod transmission mechanism; 6. a slide block; 7. a mounting base; 8. a tool microscope; 9. a platform; 10. a resistance mechanism; 11. a power member; 12. a telescopic rod; 13. friction stop; 14. a screw rod; 15. a driving wheel; 16. a slide rail; 17. driven wheel; 18. a belt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, in an embodiment of the present utility model, a Z-axis counterweight-free measuring apparatus includes an organism 1, a mounting frame 2 connected to the organism 1, a Z-axis moving assembly 3 arranged on the mounting frame 2, the Z-axis moving assembly 3 including a driving motor 4 and a belt screw transmission mechanism 5 dynamically connected to an output end of the driving motor 4;
the belt screw rod transmission mechanism 5 is connected with a sliding block 6 in a sliding way, the sliding block 6 is connected with a mounting seat 7, and a tool microscope 8 is mounted on the mounting seat 7;
the machine body 1 is also provided with a platform 9 for placing a workpiece to be tested, wherein the platform 9 is positioned below the tool microscope 8;
the mounting frame 2 is also provided with a resistance mechanism 10, and the resistance mechanism 10 is in resistance fit with the belt screw transmission mechanism 5 to prevent the mounting seat 7 and the tool microscope 8 from falling down.
In the embodiment of the utility model, the resistance mechanism 10 comprises a power piece 11 arranged on the mounting frame 2, a telescopic rod 12 connected with the output end of the power piece 11 in a power way, and a friction stop piece 13 arranged on the telescopic rod 12, wherein the power piece 11 is used for driving the friction stop piece 13 to move up and down so that the friction stop piece 13 is in resistance fit with the belt screw transmission mechanism 5.
In the embodiment of the present utility model, the power member 11 is a push rod motor.
In the embodiment of the present utility model, the friction stop 13 is a square friction plate.
In the embodiment of the utility model, the belt screw transmission mechanism 5 comprises a vertically arranged screw rod 14, a driving wheel 15 which is in power connection with the output end of the driving motor 4, a driven wheel 17 which is connected with one end of the screw rod 14, and a belt 18 which is used for connecting the driving wheel 15 and the driven wheel 17, wherein two sides of the screw rod 14 are respectively provided with a vertically arranged slide rail 16, the slide blocks 6 are in sliding connection with the slide rails 16, and the slide blocks 6 slide on the slide rails 16 through the rotation of the screw rod 14.
In the embodiment of the utility model, the friction stop 13 is in resistive engagement with the driven wheel 17.
In the embodiment of the utility model, the driving wheel 15 is smaller than the driven wheel 17.
According to the utility model, through the cooperation of the driving motor 4 and the belt screw transmission mechanism 5, specifically, the driving wheel 15 and the driven wheel 17 on the belt screw transmission mechanism 5 form a certain reduction ratio, and a certain locking force is formed by combining the transmission cooperation of the screw 14, so that the Z-axis moving assembly 3 can be effectively prevented from automatically falling down, and on the basis, a certain resistance is formed by combining the friction action of the resistance mechanism 10 on the Z-axis moving assembly 3, and the Z-axis moving assembly 3 is further effectively prevented from automatically falling down;
when a light source is added on the tool microscope 8, the weight of the tool microscope 8 is increased, so that the reduction ratio between the original driving wheel 15 and the driven wheel 17 and the stopping effect of the screw rod 14 are weakened, and the tool microscope 8 can fall down within a certain probability;
according to the weight-free measuring instrument disclosed by the utility model, the resistance mechanism 10 is added, when the tool microscope 8 needs to be adjusted up and down, the friction stop piece 13 is driven by the push rod motor to shrink upwards, so that the friction stop piece 13 is separated from the driven wheel 17, and when the tool microscope 8 is adjusted to a preset target height, the friction stop piece 13 is driven by the push rod motor to stretch downwards, so that the friction stop piece 13 is in friction fit against the driven wheel 17, and a stopping effect is generated on the driven wheel 17, therefore, when a light source is needed to be additionally arranged, the weight ratio (reduction ratio) does not need to be reset, and the pulley and the belt 18 do not need to be replaced, so that the height adjustment of the measuring instrument is more stable, and the falling of the tool microscope 8 is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. The Z-axis counterweight-free measuring instrument is characterized by comprising an organism, wherein the organism is connected with a mounting rack, a Z-axis moving assembly is arranged on the mounting rack, and the Z-axis moving assembly comprises a driving motor and a belt screw transmission mechanism which is connected with the output end of the driving motor in a power way;
the belt screw rod transmission mechanism is connected with a sliding block in a sliding way, the sliding block is connected with a mounting seat, and a tool microscope is mounted on the mounting seat;
the machine body is also provided with a platform for placing a tested workpiece, wherein the platform is positioned below the tool microscope;
and a resistance mechanism is further arranged on the mounting frame and is in resistance fit with the belt screw transmission mechanism, so that the mounting seat and the tool microscope are prevented from falling down.
2. The Z-axis counterweight-free measuring device as recited in claim 1, wherein the resistance mechanism comprises a power member mounted on the mounting frame, a telescopic rod in power connection with an output end of the power member, and a friction stop member mounted on the telescopic rod, the power member is used for driving the friction stop member to move up and down so that the friction stop member is in resistance fit with the belt screw transmission mechanism.
3. The Z-axis counterweight-free gauge of claim 2, wherein the power member is a push rod motor.
4. A Z-axis counterweight-free gauge as recited in claim 2, wherein the friction stop is a square friction plate.
5. The Z-axis counterweight-free measuring instrument according to claim 2, wherein the belt screw transmission mechanism comprises a vertically arranged screw, a driving wheel connected to the output end of the driving motor in a power mode, a driven wheel connected to one end of the screw, and a belt for connecting the driving wheel and the driven wheel, two sides of the screw are respectively provided with a vertically arranged slide rail, the slide blocks are connected to the slide rails in a sliding mode, and the slide blocks slide on the slide rails through rotation of the screw.
6. A Z-axis counterweight-free measurement device as recited in claim 5, wherein the friction stop is in resistive engagement with the driven wheel.
7. The Z-axis counterweight-free measurement device of claim 5 wherein the drive wheel is smaller than the driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223612178.0U CN219064522U (en) | 2022-12-31 | 2022-12-31 | Z-axis counterweight-free measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223612178.0U CN219064522U (en) | 2022-12-31 | 2022-12-31 | Z-axis counterweight-free measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219064522U true CN219064522U (en) | 2023-05-23 |
Family
ID=86371278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223612178.0U Active CN219064522U (en) | 2022-12-31 | 2022-12-31 | Z-axis counterweight-free measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219064522U (en) |
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2022
- 2022-12-31 CN CN202223612178.0U patent/CN219064522U/en active Active
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